mirror of
https://github.com/ziglang/zig.git
synced 2024-11-28 08:02:32 +00:00
a690a5085d
* `RunStep` moved to lib/std/build/run.zig and gains ability to compare output and exit code against expected values. Multiple redundant locations in the test harness code are replaced to use `RunStep`. * `WriteFileStep` moved to lib/std/build/write_file.zig and gains ability to write more than one file into the cache directory, for when the files need to be relative to each other. This makes usage of `WriteFileStep` no longer problematic when parallelizing zig build. * Added `CheckFileStep`, which can be used to validate that the output of another step produced a valid file. Multiple redundant locations in the test harness code are replaced to use `CheckFileStep`. * Added `TranslateCStep`. This exposes `zig translate-c` to the build system, which is likely to be rarely useful by most Zig users; however Zig's own test suite uses it both for translate-c tests and for run-translated-c tests. * Refactored ad-hoc code to handle source files coming from multiple kinds of sources, into `std.build.FileSource`. * Added `std.build.Builder.addExecutableFromWriteFileStep`. * Added `std.build.Builder.addExecutableSource`. * Added `std.build.Builder.addWriteFiles`. * Added `std.build.Builder.addTranslateC`. * Added `std.build.LibExeObjStep.addCSourceFileSource`. * Added `std.build.LibExeObjStep.addAssemblyFileFromWriteFileStep`. * Added `std.build.LibExeObjStep.addAssemblyFileSource`. * Exposed `std.fs.base64_encoder`.
53 lines
1.6 KiB
Zig
53 lines
1.6 KiB
Zig
const std = @import("../std.zig");
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const build = std.build;
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const Step = build.Step;
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const Builder = build.Builder;
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const fs = std.fs;
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const mem = std.mem;
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const warn = std.debug.warn;
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pub const CheckFileStep = struct {
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step: Step,
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builder: *Builder,
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expected_matches: []const []const u8,
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source: build.FileSource,
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max_bytes: usize = 20 * 1024 * 1024,
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pub fn create(
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builder: *Builder,
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source: build.FileSource,
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expected_matches: []const []const u8,
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) *CheckFileStep {
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const self = builder.allocator.create(CheckFileStep) catch unreachable;
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self.* = CheckFileStep{
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.builder = builder,
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.step = Step.init("CheckFile", builder.allocator, make),
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.source = source,
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.expected_matches = expected_matches,
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};
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self.source.addStepDependencies(&self.step);
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return self;
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}
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fn make(step: *Step) !void {
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const self = @fieldParentPtr(CheckFileStep, "step", step);
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const src_path = self.source.getPath(self.builder);
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const contents = try fs.cwd().readFileAlloc(self.builder.allocator, src_path, self.max_bytes);
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for (self.expected_matches) |expected_match| {
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if (mem.indexOf(u8, contents, expected_match) == null) {
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warn(
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\\
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\\========= Expected to find: ===================
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\\{}
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\\========= But file does not contain it: =======
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\\{}
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\\
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, .{ expected_match, contents });
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return error.TestFailed;
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}
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}
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}
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};
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